A Best Fit Lookup between the 2021 Output Areas to the Travel to Work Areas (2011) to Local Authorities (2022) in England and Wales as at 31 December 2021.(File Size 10 MB).REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Output_Area_2021_to_TTWAs_2011_to_LAD_2022_Lookup_for_England_and_Wales_2022/FeatureServer
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about